
        /* Popup styles */
        .popup-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 1000;
            justify-content: center;
            align-items: center;
        }

        .popup-container {
            background-color: white;
            padding: 30px;
            border-radius: 10px;
            width: 90%;
            max-width: 400px;
            position: relative;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }

        .popup-close {
            position: absolute;
            top: 10px;
            right: 15px;
            font-size: 24px;
            cursor: pointer;
            color: #666;
        }

        .popup-close:hover {
            color: #333;
        }

        .popup-title {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 5px;
            color: #333;
            text-align: center;
        }

        .popup-form-group {
            margin-top: 20px;
            margin-bottom: 20px;
        }

        .popup-form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: #555;
        }

        .popup-form-group input {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 16px;
            box-sizing: border-box;
        }

        .popup-form-group input:focus {
            outline: none;
            border-color: #4CAF50;
        }

        .popup-submit-btn {
            width: 100%;
            padding: 12px;
            background-color: #4CAF50;
            color: white;
            border: none;
            border-radius: 5px;
            font-size: 16px;
            font-weight: 500;
            cursor: pointer;
            transition: background-color 0.3s;
        }

        .popup-submit-btn:hover {
            background-color: #45a049;
        }

        .qr-container {
            text-align: center;
            display: none;
            margin-top: 20px;
        }

        .qr-container img {
            max-width: 200px;
            height: auto;
            margin-bottom: 15px;
        }

        .mobile-login-btn {
            padding: 12px;
            background-color: transparent;
            color: #038925;
            border-radius: 5px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s;
            line-height: 26px;
            border: 1px solid #038925;
        }


        .error-message {
            color: red;
            font-size: 14px;
            margin-top: 5px;
            display: none;
        }

        .qr-note {
            color: #666;
            margin-top: 2px;
        }
        .qr-note p{
            font-size: 12px;
        }

        .card{
            border: 1px solid #ddd;
            border-radius: 10px;
            padding: 20px 0px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }